def __init__(self, name, cmd, args=None, numprocesses=1, warmup_delay=0.,
working_dir=None, shell=False, uid=None,
gid=None, send_hup=False, env=None, stopped=True,
flapping_attempts=2, flapping_window=1., retry_in=7.,
max_retry=5,
graceful_timeout=30., prereload_fn=None,
rlimits=None, executable=None, stdout_stream=None,
stderr_stream=None, stream_backend='thread'):
self.name = name
self.res_name = name.lower().replace(" ", "_")
self.numprocesses = int(numprocesses)
self.warmup_delay = warmup_delay
self.cmd = cmd
self.args = args
self._process_counter = 0
self.stopped = stopped
self.flapping_attempts = flapping_attempts
self.flapping_window = flapping_window
self.retry_in = retry_in
self.max_retry = max_retry
self.graceful_timeout = 30
self.prereload_fn = prereload_fn
self.executable = None
self.stream_backend = stream_backend
self.stdout_stream = stdout_stream
if stdout_stream:
self.stdout_redirector = get_pipe_redirector(stdout_stream,
backend=stream_backend)
else:
self.stdout_redirector = None
self.stderr_stream = stderr_stream
if stderr_stream:
self.stderr_redirector = get_pipe_redirector(stderr_stream,
backend=stream_backend)
else:
self.stderr_redirector = None
self.optnames = ("numprocesses", "warmup_delay", "working_dir",
"uid", "gid", "send_hup", "shell", "env",
"cmd", "flapping_attempts", "flapping_window",
"retry_in", "args",
"max_retry", "graceful_timeout", "executable")
if not working_dir:
# working dir hasn't been set
working_dir = util.get_working_dir()
self.working_dir = working_dir
self.processes = {}
self.shell = shell
self.uid = uid
self.gid = gid
self.env = env
self.rlimits = rlimits
self.send_hup = send_hup
self.evpub_socket = None
def _create_redirectors(self):
if self.stdout_stream:
if self.stdout_redirector is not None:
self.stdout_redirector.stop()
self.stdout_redirector = get_pipe_redirector(self.stdout_stream, loop=self.loop)
else:
self.stdout_redirector = None
if self.stderr_stream:
if self.stderr_redirector is not None:
self.stderr_redirector.stop()
self.stderr_redirector = get_pipe_redirector(self.stderr_stream, loop=self.loop)
else:
self.stderr_redirector = None
def _create_redirectors(self):
if self.stdout_stream:
if self.stdout_redirector is not None:
self.stdout_redirector.stop()
self.stdout_redirector = get_pipe_redirector(self.stdout_stream,
loop=self.loop)
else:
self.stdout_redirector = None
if self.stderr_stream:
if self.stderr_redirector is not None:
self.stderr_redirector.stop()
self.stderr_redirector = get_pipe_redirector(self.stderr_stream,
loop=self.loop)
else:
self.stderr_redirector = None
def _create_redirectors(self):
if self.stdout_stream:
if self.stdout_redirector is not None and self.stdout_redirector.running:
self.stdout_redirector.kill()
self.stdout_redirector = get_pipe_redirector(self.stdout_stream, backend=self.stream_backend)
else:
self.stdout_redirector = None
if self.stderr_stream:
if self.stderr_redirector is not None and self.stderr_redirector.running:
self.stderr_redirector.kill()
self.stderr_redirector = get_pipe_redirector(self.stderr_stream, backend=self.stream_backend)
else:
self.stderr_redirector = None
def _create_redirectors(self):
if self.stdout_stream:
if (self.stdout_redirector is not None and
self.stdout_redirector.running):
self.stdout_redirector.kill()
self.stdout_redirector = get_pipe_redirector(
self.stdout_stream, loop=self.loop)
else:
self.stdout_redirector = None
if self.stderr_stream:
if (self.stderr_redirector is not None and
self.stderr_redirector.running):
self.stderr_redirector.kill()
self.stderr_redirector = get_pipe_redirector(
self.stderr_stream, loop=self.loop)
else:
self.stderr_redirector = None
def _create_redirectors(self):
if self.stdout_stream:
if (self.stdout_redirector is not None
and self.stdout_redirector.running):
self.stdout_redirector.kill()
self.stdout_redirector = get_pipe_redirector(
self.stdout_stream, backend=self.stream_backend)
else:
self.stdout_redirector = None
if self.stderr_stream:
if (self.stderr_redirector is not None
and self.stderr_redirector.running):
self.stderr_redirector.kill()
self.stderr_redirector = get_pipe_redirector(
self.stderr_stream, backend=self.stream_backend)
else:
self.stderr_redirector = None
def _reload_stream(self, key, val):
parts = key.split('.', 1)
action = 0
if parts[0] == 'stdout_stream':
old_stream = self.stdout_stream
self.stdout_stream_conf[parts[1]] = val
self.stdout_stream = get_stream(self.stdout_stream_conf,
reload=True)
if self.stdout_redirector:
self.stdout_redirector.redirect = self.stdout_stream['stream']
else:
self.stdout_redirector = get_pipe_redirector(
self.stdout_stream, loop=self.loop)
self.stdout_redirector.start()
action = 1
if old_stream and hasattr(old_stream['stream'], 'close'):
old_stream['stream'].close()
else:
old_stream = self.stderr_stream
self.stderr_stream_conf[parts[1]] = val
self.stderr_stream = get_stream(self.stderr_stream_conf,
reload=True)
if self.stderr_redirector:
self.stderr_redirector.redirect = self.stderr_stream['stream']
else:
self.stderr_redirector = get_pipe_redirector(
self.stderr_stream, loop=self.loop)
self.stderr_redirector.start()
action = 1
if old_stream and hasattr(old_stream['stream'], 'close'):
old_stream['stream'].close()
return action
def _reload_stream(self, key, val):
parts = key.split('.', 1)
action = 0
if parts[0] == 'stdout_stream':
old_stream = self.stdout_stream
self.stdout_stream_conf[parts[1]] = val
self.stdout_stream = get_stream(self.stdout_stream_conf,
reload=True)
if self.stdout_redirector:
self.stdout_redirector.redirect = self.stdout_stream['stream']
else:
self.stdout_redirector = get_pipe_redirector(
self.stdout_stream, loop=self.loop)
self.stdout_redirector.start()
action = 1
if old_stream and hasattr(old_stream['stream'], 'close'):
old_stream['stream'].close()
else:
old_stream = self.stderr_stream
self.stderr_stream_conf[parts[1]] = val
self.stderr_stream = get_stream(self.stderr_stream_conf,
reload=True)
if self.stderr_redirector:
self.stderr_redirector.redirect = self.stderr_stream['stream']
else:
self.stderr_redirector = get_pipe_redirector(
self.stderr_stream, loop=self.loop)
self.stderr_redirector.start()
action = 1
if old_stream and hasattr(old_stream['stream'], 'close'):
old_stream['stream'].close()
return action
def __init__(self, name, cmd, args=None, numprocesses=1, warmup_delay=0.,
working_dir=None, shell=False, uid=None,
gid=None, send_hup=False, env=None, stopped=True,
flapping_attempts=2, flapping_window=1., retry_in=7.,
max_retry=5,
graceful_timeout=30., prereload_fn=None,
rlimits=None, executable=None, stdout_stream=None,
stderr_stream=None, stream_backend='thread', priority=0):
self.name = name
self.res_name = name.lower().replace(" ", "_")
self.numprocesses = int(numprocesses)
self.warmup_delay = warmup_delay
self.cmd = cmd
self.args = args
self._process_counter = 0
self.stopped = stopped
self.flapping_attempts = flapping_attempts
self.flapping_window = flapping_window
self.retry_in = retry_in
self.max_retry = max_retry
self.graceful_timeout = 30
self.prereload_fn = prereload_fn
self.executable = None
self.stream_backend = stream_backend
self.priority = priority
self.stdout_stream = stdout_stream
if stdout_stream:
self.stdout_redirector = get_pipe_redirector(stdout_stream,
backend=stream_backend)
else:
self.stdout_redirector = None
self.stderr_stream = stderr_stream
if stderr_stream:
self.stderr_redirector = get_pipe_redirector(stderr_stream,
backend=stream_backend)
else:
self.stderr_redirector = None
self.optnames = ("numprocesses", "warmup_delay", "working_dir",
"uid", "gid", "send_hup", "shell", "env",
"cmd", "flapping_attempts", "flapping_window",
"retry_in", "args",
"max_retry", "graceful_timeout", "executable",
"priority")
if not working_dir:
# working dir hasn't been set
working_dir = util.get_working_dir()
self.working_dir = working_dir
self.pids = {}
self.processes = {}
self.shell = shell
self.uid = uid
self.gid = gid
self.env = env
self.rlimits = rlimits
self.send_hup = send_hup
self.evpub_socket = None
